Revision 71556b9800fff8bf59075d2c1622acc9d99113ef authored by Linus Torvalds on 16 January 2009, 20:40:37 UTC, committed by Linus Torvalds on 16 January 2009, 20:40:37 UTC
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (23 commits) ACPI PCI hotplug: harden against panic regression ACPI: rename main.c to sleep.c dell-laptop: move to drivers/platform/x86/ from drivers/misc/ eeepc-laptop: enable Bluetooth ACPI details ACPI: fix ACPI_FADT_S4_RTC_WAKE comment kprobes: check CONFIG_FREEZER instead of CONFIG_PM PM: Fix freezer compilation if PM_SLEEP is unset thermal fixup for broken BIOS which has invalid trip points. ACPI: EC: Don't trust ECDT tables from ASUS ACPI: EC: Limit workaround for ASUS notebooks even more ACPI: thinkpad-acpi: bump up version to 0.22 ACPI: thinkpad-acpi: handle HKEY event 6030 ACPI: thinkpad-acpi: clean-up fan subdriver quirk ACPI: thinkpad-acpi: start the event hunt season ACPI: thinkpad-acpi: handle HKEY thermal and battery alarms ACPI: thinkpad-acpi: clean up hotkey_notify() ACPI: thinkpad-acpi: use killable instead of interruptible mutexes ACPI: thinkpad-acpi: add UWB radio support ACPI: thinkpad-acpi: preserve radio state across shutdown ACPI: thinkpad-acpi: resume with radios disabled ...
vfs_dentry.c
/*
* linux/fs/9p/vfs_dentry.c
*
* This file contians vfs dentry ops for the 9P2000 protocol.
*
* Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
* Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to:
* Free Software Foundation
* 51 Franklin Street, Fifth Floor
* Boston, MA 02111-1301 USA
*
*/
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/pagemap.h>
#include <linux/stat.h>
#include <linux/string.h>
#include <linux/inet.h>
#include <linux/namei.h>
#include <linux/idr.h>
#include <linux/sched.h>
#include <net/9p/9p.h>
#include <net/9p/client.h>
#include "v9fs.h"
#include "v9fs_vfs.h"
#include "fid.h"
/**
* v9fs_dentry_delete - called when dentry refcount equals 0
* @dentry: dentry in question
*
* By returning 1 here we should remove cacheing of unused
* dentry components.
*
*/
static int v9fs_dentry_delete(struct dentry *dentry)
{
P9_DPRINTK(P9_DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_name.name,
dentry);
return 1;
}
/**
* v9fs_cached_dentry_delete - called when dentry refcount equals 0
* @dentry: dentry in question
*
* Only return 1 if our inode is invalid. Only non-synthetic files
* (ones without mtime == 0) should be calling this function.
*
*/
static int v9fs_cached_dentry_delete(struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
P9_DPRINTK(P9_DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_name.name,
dentry);
if(!inode)
return 1;
return 0;
}
/**
* v9fs_dentry_release - called when dentry is going to be freed
* @dentry: dentry that is being release
*
*/
void v9fs_dentry_release(struct dentry *dentry)
{
struct v9fs_dentry *dent;
struct p9_fid *temp, *current_fid;
P9_DPRINTK(P9_DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_name.name,
dentry);
dent = dentry->d_fsdata;
if (dent) {
list_for_each_entry_safe(current_fid, temp, &dent->fidlist,
dlist) {
p9_client_clunk(current_fid);
}
kfree(dent);
dentry->d_fsdata = NULL;
}
}
struct dentry_operations v9fs_cached_dentry_operations = {
.d_delete = v9fs_cached_dentry_delete,
.d_release = v9fs_dentry_release,
};
struct dentry_operations v9fs_dentry_operations = {
.d_delete = v9fs_dentry_delete,
.d_release = v9fs_dentry_release,
};
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